Heap-based buffer overflow in zgv before 5.8 and xzgv before 0.8 might allow user-assisted attackers to execute arbitrary code via a JPEG image with more than 3 output components, such as a CMYK or YCCK color space, which causes less memory to be allocated than required.

Heap-based buffer overflow in zgv before 5.8 and xzgv before 0.8 might allow user-assisted attackers to execute arbitrary code via a JPEG image with more than 3 output components, such as a CMYK or YCCK color space, which causes less memory to be allocated than required.

xzgv-0.9.1-27.8 on GA media